“Captain, we’ve got a problem.”  A second crew pilot was driving along the floor of the Mediterranean Sea and reached around to shake the shoulder of Toby Warson, who was in his usual sleeping position behind the two pilot chairs, simultaneously sound asleep and not really resting at all.  Warson blinked, looked at the screens, and shuddered.  Every TV camera on the boat showed the NR‑1 was in the middle of a field of mines that had sunk to the bottom during World War II.  The sonar, for reasons unknown, had not warned the pilot of the danger, and now the boat was completely surrounded by the ominous spines of the black mines. “Jesus!  Don’t move!  Don’t do anything!”  Warson was wide awake, knowing that high explosives become”